Environmental Health

Pollutants, toxic products and industry activities in the environment can impact your health. See what you need to know about environmental health concerns.


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People's Bodies Now Run Cooler Than 'Normal' – Even in the Bolivian Amazon

In the U.S., normal body temperature has been dropping over the past 150 years. People run cooler today than they did two centuries ago. Why is that?

Should You Always Take Off Your Shoes in Your Home?

Some people feel you track a lot of germs and dirt into your home if you keep your street shoes on inside, but studies have shown it's not that bad.

Plastic Pollution Is Showing Up in Our Poop

Microplastics in our poop indicate that even our food supply isn't safe from our plastic problem.

Is Breathing the New Smoking?

A new app analyzes air pollution and its equivalence to cigarette smoking.

When It Comes to Air Pollution, the Tiniest Particles Might Be the Worst

Increasing scientific evidence shows that ultrafine particles are especially hazardous to health.

Used Books May Be Germy, But They Won't Make You Sick

From libraries to used book stores, books get passed from hand to dirty hand. How safe are they to handle?

Why Do People Find Leaf Blowers So Irritating?

Does the sound of a leaf blower make you mad? There might be a physical reason for it.

Prozac Making Its Way Into Oceans Might Be Affecting Crab Behavior

Crabs exposed to Prozac are more careless in their foraging behavior, and more aggressive toward members of their own species.

Human-caused CO2 Emissions Could Decrease Grain Protein, Risking Health of Millions

New research shows that human-caused CO2 emissions could decrease the nutritional value of staples like rice and wheat. But there are ways we can prepare.

Hundreds of Scientists Call for Tighter Limits on Common Antibacterial Chemical

Hundreds of scientists and doctors are calling for stronger restrictions on antibacterial chemicals that show up in yoga mats, cosmetics, and even toothpaste.

Long-term Exposure to Aircraft Noise Linked to High Blood Pressure

The latest study on airport noise spotlights the potentially negative relationship between aircraft sounds and human health.

Glacier Cave Explorers Hunt Vanishing Beauty, Scientific Evidence

The icy spectacles are growing in many places, with the help of glacial melt and warmer summers.

U.S. Gets a C- on Ocean Health

What’s behind the mediocre grade, and who gave it?

There's a Big Battle Going on in the Grand Canyon

And it concerns a proposed development that will, depending on whom you talk to, spoil one of the world's natural wonders or build a better future for the Navajo people.

Secret U.S. Nuclear Base Threatened by Melting Ice

Codenamed Project Iceworm, the facility has been abandoned since 1967, but melting ice could become a problem for the once secret base.

France Becomes the First Country to Ban Disposable Plastic Cups, Plates

By 2020 some will say au revoir to disposable, single-use plastic goods. Will the rest of the world follow this trendsetting nation?

Tote Bag Needs 21 Uses to Be More Sustainable Than Plastic, Study Finds

Most people don’t reuse their totes enough to have an environmental impact, survey says.

Why Lead Is Becoming a Problem in the U.S. Water Supply

First Flint, Michigan. Now Sebring, Ohio. And the problem is only going to get worse. A lot worse.

City Pollution: A Double Whammy of Yuck

As if the urban heat island effects of elevated temperatures and pollution weren't gifts enough, cities have discovered that pollution is belching back at them, too.

10 Common Indoor Air Pollutants

You spend one third of your life asleep. But you spend your entire life breathing. Learn more about these 10 common indoor air pollutants.

How Electric Cars and Hybrids Affect Your Health

Some worry that the electromagnetic fields lead to cancer. Learn more about how electric cars and hybrids affect your health.

How to Avoid BPA Exposure from Cash Register Receipts

A few simple changes to your shopping routine can avoid potential risks. Learn more about avoiding BPA exposure from cash register receipts.